CVE-2026-89409 — Unvalidated ZWAVE_CMD_NODES_EXIST May Cause Deletion of End Nodes
In Z-Wave SDK 8.1.1 and earlier (for 700/800 series devices) and 6.85.02 and earlier (for 500 series devices), missing checks in the ZWAVE_CMD_NODES_EXIST handler can result in …
Published: 2026-10-22 · CVSS: 5.3 · CVSS 4.0
In Z-Wave SDK 8.1.1 and earlier (for 700/800 series devices) and 6.85.02 and earlier (for 500 series devices), missing checks in the ZWAVE_CMD_NODES_EXIST handler can result in nodes being removed from the network. These messages must come from a device that has already joined the network.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7